BeanCopyTest.java

gistfile1.java

import java.lang.reflect.InvocationTargetException;
import java.util.Date;

import net.sf.cglib.beans.BeanCopier;

import org.apache.commons.beanutils.BeanUtils;

/**
 * 测试属性拷贝
 * @author nieyong
 * @time 2012-1-9
 * @version 1.0
 */
public class BeanCopyTest {
	private static final long NUM = 100000;

	public static void main(String[] args) throws IllegalAccessException,
			InvocationTargetException {
		Pson p1 = new Pson();
		p1.setId("1000");
		p1.setName("haha!");
		p1.setDate(new Date());

		BeanCopier beanCopier = BeanCopier
				.create(Pson.class, Pson.class, false);

		long t2 = System.currentTimeMillis();
		for (int i = 0; i < NUM; i++) {
			Pson p2 = new Pson();
			beanCopier.copy(p1, p2, null);
		}

		System.gc();

		System.out.println("use time : " + (System.currentTimeMillis() - t2));

		long t = System.currentTimeMillis();
		for (int i = 0; i < NUM; i++) {
			Pson p2 = new Pson();
			BeanUtils.copyProperties(p2, p1);
		}

		System.out.println("use time : " + (System.currentTimeMillis() - t));
	}
}

class Pson {
	private String id;
	private String name;
	private Date date;

	private String now;

	/**
	 * @return the id
	 */
	public String getId() {
		return id;
	}

	/**
	 * @param id
	 *            the id to set
	 */
	public void setId(String id) {
		this.id = id;
	}

	/**
	 * @return the name
	 */
	public String getName() {
		return name;
	}

	/**
	 * @param name
	 *            the name to set
	 */
	public void setName(String name) {
		this.name = name;
	}

	/**
	 * @return the date
	 */
	public Date getDate() {
		return date;
	}

	/**
	 * @param date
	 *            the date to set
	 */
	public void setDate(Date date) {
		this.date = date;
	}

	/**
	 * @return the now
	 */
	protected String getNow() {
		return now;
	}

	/**
	 * @param now
	 *            the now to set
	 */
	protected void setNow(String now) {
		this.now = now;
	}

}